27 user 18 critic

Perpetual Infinity 

Burnham receives the reunion she's been longing for, but it doesn't go quite as she imagined. Georgiou and Tyler sense a disturbing change in Leland.


Maja Vrvilo


Gene Roddenberry (based upon "Star Trek" created by), Bryan Fuller (created by) | 5 more credits »




Episode cast overview, first billed only:
Sonequa Martin-Green ... Cmdr. Michael Burnham
Doug Jones ... Cmdr. Saru
Anthony Rapp ... Lt. Cmdr. Paul Stamets
Mary Wiseman ... Ensign Sylvia Tilly
Wilson Cruz ... Dr. Hugh Culber
Shazad Latif ... Ash Tyler
Anson Mount ... Captain Christopher Pike
Michelle Yeoh ... Philippa Georgiou
Ethan Peck ... Spock
Alan Van Sprang ... Leland
Sonja Sohn ... Dr. Gabrielle Burnham
Kenric Green ... Mike Burnham
Rachael Ancheril ... Cmdr. Nhan
Emily Coutts ... Lt. Keyla Detmer
Patrick Kwok-Choon ... Lt. Gen Rhys


Burnham receives the reunion she's been longing for, but it doesn't go quite as she imagined. Georgiou and Tyler sense a disturbing change in Leland.

Plot Summary | Add Synopsis


TV-14 | See all certifications »






Release Date:

28 March 2019 (USA) See more »

Company Credits

Show more on IMDbPro »

Technical Specs


Sound Mix:

Dolby Digital



Aspect Ratio:

2.35 : 1
See full technical specs »

Did You Know?


The idea that Michael's mother is tethered to a point in time is similar to DS9: "The Visitor" (also involving a dead parent who returns), in which Sisko is temporally tethered to his son Jake. See more »


Wilson Cruz is not credited in this episode even though he appears throughout, it's likely the incorrect title sequence was used that omits his name and may be corrected in future releases. See more »


[last lines]
Cmdr. Michael Burnham: [of her mother] She was right. What fight are we supposed to be continuing, Spock? Everything we try fails. Now, with no suit... no time crystal... it'll always be one step ahead of us.
Spock: Respectfully, Dr. Burnham was incorrect. Now does matter. What happened before no longer exists. What will happen next has not yet been written. We have only now. That is our greatest advantage. What we do now, here, in this moment, has the power to determine the future. Instinct and logic, together. ...
See more »


Features Star Trek: Discovery: Lethe (2017) See more »

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User Reviews

A mixed bag
29 March 2019 | by kastrinoSee all my reviews

Certainly better than it's predecessor, this episode starts off in fairly the same manner with pretty confusing plot, lots of crying and forced drama and an unsatisfying explanation of last episode's finale. As it progresses it gets better reaching a peak near the end which I personally found one of the most engaging parts of the whole series so far. On the other hand, there still is no discovery or exploration, no character development except for Burnham, still lots of annoyingly advanced tech, still uninteresting and unengaging overall story. This time also we might have a record quantity of tears shed by Sonequa who at least looks more and more of the William Shatner school of overacting, which isn't bad at all I might add

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